[PATCH net-next 3/8] net/act_skbedit: Utility functions for mark action

Amir Vadai
2016-03-01T14:21:42Z

Enable device drivers to query the action if is a mark action and what
value to use for marking.

Signed-off-by: Amir Vadai <amir@vadai.me>
---
include/net/tc_act/tc_skbedit.h | 15 +++++++++++++++
1 file changed, 15 insertions(+)

diff --git a/include/net/tc_act/tc_skbedit.h b/include/net/tc_act/tc_skbedit.h
index 0df9a0d..ad27d69 100644
--- a/include/net/tc_act/tc_skbedit.h
+++ b/include/net/tc_act/tc_skbedit.h
@@ -20,6 +20,7 @@
#define __NET_TC_SKBEDIT_H

#include <net/act_api.h>
+#include <linux/tc_act/tc_skbedit.h>

struct tcf_skbedit {
struct tcf_common common;
@@ -32,4 +33,18 @@ struct tcf_skbedit {
#define to_skbedit(a) \
container_of(a->priv, struct tcf_skbedit, common)

+#ifdef CONFIG_NET_CLS_ACT
+static inline bool is_tcf_skbedit_mark(const struct tc_action *a)
+{
+ if (!a->ops || a->ops->type != TCA_ACT_SKBEDIT)
+ return false;
+
+ return to_skbedit(a)->flags == SKBEDIT_F_MARK;
+}
+
+static inline u32 tcf_skbedit_mark(const struct tc_action *a)
+{
+ return to_skbedit(a)->mark;
+}
+#endif
#endif /* __NET_TC_SKBEDIT_H */
--
2.7.0